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  <title>Get the scale of a field</title>

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</div><hr /><div id="function.ingres-field-scale" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">ingres_field_scale</h1>
  <p class="verinfo">(PHP 4 &gt;= 4.0.2, PHP 5 &lt;= 5.0.5, PECL ingres &gt;= 1.0.0)</p><p class="refpurpose"><span class="refname">ingres_field_scale</span> &mdash; <span class="dc-title">Get the scale of a field</span></p>

 </div>
 
 <div class="refsect1 description" id="refsect1-function.ingres-field-scale-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="type">int</span> <span class="methodname"><strong>ingres_field_scale</strong></span>
    ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$result</code></span>
   , <span class="methodparam"><span class="type">int</span> <code class="parameter">$index</code></span>
   )</div>

  <p class="para rdfs-comment">
   <span class="function"><strong>ingres_field_scale()</strong></span> returns the scale of a
   field.  This value is used only for the decimal SQL data
   type. For detailed information, see the Ingres <em>OpenAPI User
   Guide</em>, Appendix <em>&quot;Data Types&quot;</em> in the Ingres documentation.
  </p>
  <blockquote class="note"><p><strong class="note">Note</strong>: 
   <strong>Related Configurations</strong><br />
   <p class="para">
    See <a href="ingres.configuration.html#ini.ingres.array-index-start" class="link">ingres.array_index_start</a>
    in <a href="ingres.configuration.html" class="link">Runtime Configuration</a>
   </p>
  </p></blockquote>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.ingres-field-scale-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<em><code class="parameter">result</code></em></dt>

     <dd>

      <p class="para">
       The query result identifier
      </p>
     </dd>

    
    
     <dt>
<em><code class="parameter">index</code></em></dt>

     <dd>

      <p class="para">
       <em><code class="parameter">index</code></em> is the field whose scale will be
       retrieved.
      </p>
      <p class="para">
       The possible values of <em><code class="parameter">index</code></em> depend upon
       the value
       of <a href="ingres.configuration.html#ini.ingres.array-index-start" class="link">ingres.array_index_start</a>.
       If <a href="ingres.configuration.html#ini.ingres.array-index-start" class="link">ingres.array_index_start</a>
       is <em>1</em> (the default)
       then <em><code class="parameter">index</code></em> must be
       between <em>1</em> and the value returned
       by <span class="function"><a href="function.ingres-num-fields.html" class="function">ingres_num_fields()</a></span>. If <a href="ingres.configuration.html#ini.ingres.array-index-start" class="link">ingres.array_index_start</a>
       is <em>0</em> then <em><code class="parameter">index</code></em> must
       be between <em>0</em>
       and <span class="function"><a href="function.ingres-num-fields.html" class="function">ingres_num_fields()</a></span><em> -
       1</em>.
      </p>
    </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.ingres-field-scale-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns the scale of the field, as an integer
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.ingres-field-scale-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="function.ingres-query.html" class="function" rel="rdfs-seeAlso">ingres_query()</a> - Send an SQL query to Ingres</span></li>
    <li class="member"><span class="function"><a href="function.ingres-fetch-array.html" class="function" rel="rdfs-seeAlso">ingres_fetch_array()</a> - Fetch a row of result into an array</span></li>
    <li class="member"><span class="function"><a href="function.ingres-fetch-assoc.html" class="function" rel="rdfs-seeAlso">ingres_fetch_assoc()</a> - Fetch a row of result into an associative array</span></li>
    <li class="member"><span class="function"><a href="function.ingres-fetch-object.html" class="function" rel="rdfs-seeAlso">ingres_fetch_object()</a> - Fetch a row of result into an object</span></li>
    <li class="member"><span class="function"><a href="function.ingres-fetch-row.html" class="function" rel="rdfs-seeAlso">ingres_fetch_row()</a> - Fetch a row of result into an enumerated array</span></li>
   </ul>
  </p>
 </div>


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